IR3448 datasheet(3/51 Pages) INFINEON

Part #	IR3448

Description	16A Highly Integrated SupIRBuck짰 Single-Input Voltage, Synchronous Buck Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

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IR3448

3

Rev 3.6

May 17, 2016

FUNCTIONAL BLOCK DIAGRAM

Comp

CByp

FB

Smart

LDO

Vin

LGnd

DCM

VCC

UVcc

Enable

UVEN

CONTROL

LOGIC

Rt/Sync

PGD

OVER CURRENT

DRIVER

+

BODY

BRAKING

CONTROL

HDin

LDin

HDrv

LDrv

DIGITAL

SOFT

START

SSOK

UVEN

Vsns

OC

FAULT

Intl_SS

FAULT

Boot

PVin

SW

PGnd

OV

THERMAL

SHUTDOWN

FAULT

CONTROL

TSD

UVcc

OC

+

-

E/A

OVER

VOLTAGE

POR

UVcc

ZERO CROSSING

COMPARATOR

ZC

POR

UVcc

VREF

PVin

POR

OCset

RSo

RS+

RS-

VCC

-

+

0.6V

POR

CLK

VREF

FB

DCM

VREF

Figure 3: IR3448 Simplified Block Diagram

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Similar Description - IR3448

Manufacturer	Part #	Datasheet	Description
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IR3448 Datasheet(PDF) 3 Page - Infineon Technologies AG

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